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Which Nutrient Supplies the Most Calories Per Gram?

Answer – Fats are the nutrients that supply the most calories per gram.

Explanation:

Macronutrients are those elements of the diet that provide the most energy and are required for the maintenance of the body. The three macronutrients are carbohydrates, proteins and fats.

Both carbohydrates and proteins provide an equal amount of energy: each provides 4 calories per gram. 

On the other hand, fats are much more energy-dense. One gram of fat supplies the consumer with 9 calories.


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